Window jam friction shoe



FIG. 1 is a front perspective view of a window jam friction shoeembodying my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a right side elevation thereof;

FIG. 5 is a top plan thereof;

FIG. 6 is a left side elevation thereof; and

FIG. 7 is a bottom plan thereof.

The ornamental design for a window jam friction shoe, as shown anddescribed.